<!DOCTYPE html>
<html lang="en" style="height: 100%;width: 100%;">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    *{
        padding: 0;
        margin: 0;
    }
    canvas{
        display: block;
        width: 100%;
        height: 100%;
    }
</style>
<body style="height: 100%;width: 100%;">
    <script src="../js/three.js"></script>
    <script src="./demo_1.js"></script>
</body>
</html>